Laser engraving machine



FIG. 1 is a first perspective view of a laser engraving machine showing our new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a third perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left elevational view thereof;

FIG. 7 is a right elevational view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is an enlarged view of a part showing the number ten in FIG. 1;

FIG. 11 is an enlarged view of a part showing the number eleven in FIG. 2; and,

FIG. 12 is an enlarged view of a part showing the number twelve in FIG. 3.

The broken lines in the drawings are included for the purpose of illustrating portions of the article which form no part of the claimed design. 

CLAIM The ornamental design for a laser engraving machine, as shown and described. 